SRAM RED AXS E1 Flattop Chain 12 Speed Size:114 links narrow tooth profile with rounded

narrow tooth profile with rounded chamfer edges helps manage a deflected chain

All-new aero spokes with hidden nipples reduce aerodynamic drag

The Cobra9 SemiPro is a semi rigid orthotic device designed specifically for cycling use

The wheelset is set up for 6-bolt or center lock disc mounts and is compatible with Shimano HG9

World Cup winning tread

SRAM RED AXS E1 Flattop Chain 12 Speed Size:114 links narrow tooth profile with roundedSRAM took the lightest, most durable chain they'd ever made and made it lighter, with no compromises. The SRAM RED AXS E1 Flattop Chain uses HollowPin construction that's lighter and stronger than a solid pin, while cutouts in the outer and inner plates shave 13 g from the previous generation. Lighter, faster, stronger and more durable this chain does it all. Features Flattop technology enables a narrower chain with quieter operation and increased